B #83: Fix route metrics for CentOS

+ small refactor
+ fix whitespace

Signed-off-by: Petr Ospalý <pospaly@opennebula.io>

pkg/postinstall

@@ -99,6 +99,7 @@ if [ -d /etc/sysconfig/network-scripts ]; then
     # Prepare network files
     find /etc/sysconfig/network-scripts -type f \
         -name 'ifcfg-*' ! -name 'ifcfg-lo' \
+        -o -name 'route-*' ! -name 'route-lo' \
         -exec rm -f {} \;
 
     if [ "${NETWORK_EC2}" = 'yes' ]; then

src/etc/one-context.d/loc-10-network##network-scripts.one

@@ -108,13 +108,11 @@ EOT
 
     if [ -n "$GATEWAY" ]; then
         if [ "$CONFIG_PATH" = "/etc/sysconfig/network" ]; then
-            echo "default $GATEWAY - $DEV" ${METRIC:+metric ${METRIC}} >> /etc/sysconfig/network/ifroute-$DEV
+            echo "default $GATEWAY - $DEV ${METRIC:+metric ${METRIC}}" \
+                >> "${CONFIG_PATH}/ifroute-${DEV}"
         else
-            echo "GATEWAY=$GATEWAY"
-
-            if [ -n "$METRIC" ]; then
-                echo "METRIC=$METRIC"
-            fi
+            echo "default via $GATEWAY dev $DEV ${METRIC:+metric ${METRIC}}" \
+                >> "${CONFIG_PATH}/route-${DEV}"
         fi
     fi
 
@@ -244,6 +242,7 @@ gen_network_configuration()
         [ -z "${DEV}" ] && continue
 
         (
+            rm -f /etc/sysconfig/network-scripts/route-$DEV
             rm -f /etc/sysconfig/network/ifroute-$DEV
             rm -f /etc/sysconfig/network/ifsysctl-$DEV
 

src/etc/one-context.d/loc-10-network-pci##one

@@ -93,9 +93,9 @@ for pci in $PCI_INTERFACES; do
     if [ -n "$IP" ]; then
         ip address add $IP/$MASK dev $DEV
 
-    if [ -n "$GATEWAY" ]; then
-        ip route add default via $GATEWAY dev $DEV ${METRIC:+metric ${METRIC}}
-    fi
+        if [ -n "$GATEWAY" ]; then
+            ip route add default via $GATEWAY dev $DEV ${METRIC:+metric ${METRIC}}
+        fi
     fi
 
     # IPv6